Re: How do I generate and set a GUID on an Ethernet VF with ConnectX-4?

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> On May 30, 2017, at 8:55 PM, Robert LeBlanc <robert@xxxxxxxxxxxxx> wrote:
> 
> One problem we found with rping is that when the GUID is '0', it
> fails. However, all of the VFs that are created are created with a '0'
> GUID. How do I generate a GUID that will not conflict for the VFs?
Hi Robert,

IIRC, once you set a MAC address for a VF, the node guid will be derived automatically for it. Also, it can be controlled using iptool.


> Once I have a generated GUID, how do I set it on a VF using the inbox
> drivers? I can't find a /sys entry that will allow me to write it and
> the one mentioned in the Mellanox OFED doesn't exist.
> 
> I'll need to find a way to script this as part of my udev rules that
> adds the VFs.
> 
> Thank you,
> ----------------
> Robert LeBlanc
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